IDENTIFIERS

  • Current Taxon Name (Soil Name): Coulterville
  • OSD
  • Series Extent
  • User Site ID: 1989IL027186
  • User Pedon ID: 1989IL027186
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - IL SCL
  • Lab Pedon # - 89IL027186
  • NCSS Pedon Lab Data NASIS Record ID - 22167
  • Print Date: 12/4/2024
  • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 38.7274194
  • Std. Longitude: -89.3597194
  • Datum: WGS84
  • Township: 3N
  • Range: 2W
  • Section: 6
  • PLSS Details: 244 feet north and 2587 feet west of southeast corner
  • State: Illinois
  • County: IL027—Clinton
  • MLRA: 113—Central Claypan Areas
  • Non-MLRA Soil Survey Area: IL027—Clinton County, Illinois
  • PEDON

  • Describers Name: D. B. G.
  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Aeric Epiaqualfs
  • Pedon Record Orgin: PedonPC
  • Pedon #: 186
  • Correlated Information:
  • Soil Name - Coulterville
  • PSC - 38 to 88 cm.
  • Classificaton Date - 10/2/2008
  • Moisture Class - aquic
  • Moisture Subclass - aeric
  • Sampled As Information:
  • Soil Name - Darmstadt
  • Classificaton Date - 8/1/1989
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: Peoria loess and/or Roxana loess and/or Illinoian till
  • Landscape: till plain
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 8/1/1989 (actual site observation date)
  • Air Photo ID:
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Site Obs. Cover Kind 2 - row crop
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Yield Study ID -
  • Pedon Restrictions
    Kind Hardness Restriction Depth L-H Restriction Thickness L-RV-H
    cm

    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    albic horizon

    argillic horizon

    0—23

    23—38

    38—81

    —-

    —-

    —-

    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    0.5

    139.3

    Ap—0 to 23 centimeters (0.0 to 9.1 inches); very dark grayish brown (10YR 3/2), grayish brown (10YR 5/2), dry; silt loam; moderate medium granular structure; friable; 10 percent medium faint iron-manganese nodules in matrix; fragments; neutral, pH 7.0, lamotte-morgan; abrupt smooth boundary. Lab sample # IL34387
    E—23 to 38 centimeters (9.1 to 15.0 inches); grayish brown (10YR 5/2) silt loam; weak medium platy structure; friable; 10 percent medium faint iron-manganese nodules in matrix; fragments; neutral, pH 6.8, lamotte-morgan; clear smooth boundary. Lab sample # IL34388
    Bt1—38 to 56 centimeters (15.0 to 22.0 inches); dark yellowish brown (10YR 4/4) silty clay loam; strong medium prismatic parts to moderate medium subangular blocky structure; very firm; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds and distinct brown (10YR 4/3), moist, clay films on all faces of peds; 10 percent medium distinct iron-manganese nodules in matrix; fragments; moderately acid, pH 5.6, lamotte-morgan; clear smooth boundary. Lab sample # IL34389. patchy - phpvsfiid 427860; continuous - phpvsfiid 427861; patchy - phpvsfiid 427860; continuous - phpvsfiid 427861
    Bt2—56 to 69 centimeters (22.0 to 27.2 inches); brown (10YR 5/3) silty clay loam; 10 percent strong brown (7.5YR 4/6) fine prominent and 10 percent grayish brown (10YR 5/2) fine distinct mottles; weak medium prismatic structure; firm; faint dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; medium distinct iron-manganese nodules in matrix and 10 percent fine distinct iron-manganese nodules in matrix; fragments; neutral, pH 6.8, lamotte-morgan; clear smooth boundary. Lab sample # IL34390. discontinuous - phpvsfiid 427859; discontinuous - phpvsfiid 427859
    Btg—69 to 81 centimeters (27.2 to 31.9 inches); weak red (2.5YR 5/2) silty clay loam; 10 percent brown (7.5YR 4/4) medium prominent mottles; weak medium prismatic structure; firm; distinct grayish brown (10YR 5/2), moist, clay films on all faces of peds; medium prominent iron-manganese nodules in matrix and 10 percent fine prominent iron-manganese nodules in matrix; fragments; slightly alkaline, pH 7.4, lamotte-morgan; clear smooth boundary. Lab sample # IL34391. discontinuous - phpvsfiid 427858; discontinuous - phpvsfiid 427858
    2BCg—81 to 94 centimeters (31.9 to 37.0 inches); weak red (2.5YR 5/2) loam; 10 percent strong brown (7.5YR 4/6) medium prominent mottles; weak fine prismatic structure; friable; distinct dark grayish brown (10YR 4/2), moist, clay films on all faces of peds; coarse prominent iron-manganese nodules in matrix and 10 percent medium prominent iron-manganese nodules in matrix; fragments; moderately alkaline, pH 8.0, lamotte-morgan; clear smooth boundary. Lab sample # IL34392. patchy - phpvsfiid 427862; patchy - phpvsfiid 427862
    2Cg—94 to 152 centimeters (37.0 to 59.8 inches); weak red (2.5YR 5/2) loam; 10 percent dark yellowish brown (10YR 4/6) medium prominent mottles; moderate medium platy structure; friable; coarse prominent iron-manganese nodules in matrix and 10 percent medium prominent iron-manganese nodules in matrix; fragments; moderately alkaline, pH 8.2, lamotte-morgan. Lab sample # IL34393